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Go Back JeepForum.com > Models > Jeep Cherokee & Comanche Forums > XJ/MJ Cherokee Non-Technical Forum > possible head swap. new answers first tho

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View Poll Results: head swap or engine swap?
swap ou 89 head for newer ones? 0 0%
swap engine for a newer one? 2 100.00%
Voters: 2. You may not vote on this poll

Unread 06-22-2013, 08:53 PM   #1
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1989 XJ Cherokee 
Join Date: Jun 2013
Location: reidsville, nc
Posts: 1
possible head swap. new answers first tho

I havean 89 xj with the 4.0 and I want to kno if I can put the head and intake from a newer model xj on with out a lot of issuses. Somebody help please

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Unread 06-23-2013, 09:46 AM   #2
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1991 MJ Comanche 
Join Date: Oct 2008
Location: , Virginia
Posts: 13,318
Not without doing a lot of extra work. You're going from Renix to HO so the engine management is different. Ports are different too. Much easier to swap the motor entirely or swap a Renix head to your Renix block.
| Project Motörcharge 2.0 - MJ | June 2015 COTM |

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Unread 06-23-2013, 05:07 PM   #3
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1990 MJ Comanche 
Join Date: Oct 2009
Location: Prescott, Arizona
Posts: 10,937
Yep. Really not worth it anyway. What are you hoping for?
Originally Posted by chris87xj View Post
If you own a Renix Jeep, you'll want to check this out. >

An index to over 25 write-ups can be found in Post #1.

Cruiser's Mostly Renix Tips
My Jeep Technical Photos

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